From 7a813b368ac810bb39838854572e300bbda5b799 Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Fri, 16 Nov 2007 00:14:48 +0000
Subject: [PATCH] Call prot->url_close only if it is present.

Originally committed as revision 11044 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/avio.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libavformat/avio.c b/libavformat/avio.c
index 177e91d735..793f8ab1f4 100644
--- a/libavformat/avio.c
+++ b/libavformat/avio.c
@@ -132,10 +132,11 @@ offset_t url_seek(URLContext *h, offset_t pos, int whence)
 
 int url_close(URLContext *h)
 {
-    int ret;
+    int ret = 0;
     if (!h) return 0; /* can happen when url_open fails */
 
-    ret = h->prot->url_close(h);
+    if (h->prot->url_close)
+        ret = h->prot->url_close(h);
     av_free(h);
     return ret;
 }